Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Port MacDonnell, Australia, where the temperate Csb climate offers both beautiful sunny days and potential UV exposure risks. Being informed about daily UV levels helps in preventing sunburn and protecting your skin health, allowing you to enjoy the outdoors safely. With peak UV levels reaching 3 around midday, it's essential to take precautions to minimize harm, especially during the warmer months when the sun's intensity increases. Stay vigilant and know when to seek shade or apply sunscreen to keep your skin healthy while soaking in the sun-soaked beauty of Port MacDonnell.
The UV Index throughout the day presents an interesting pattern of solar exposure. Starting at 07:00, it gently peaks at 1, remaining steady for the next hour. By 09:00, the index climbs to 2, reflecting the sun's increasing intensity. The sun gains momentum, reaching its highest values of 3 by 11:00, and sustaining this level until 13:00. As the afternoon unfolds, the index gradually declines, dropping back to 2 by 14:00 and finally tapering off to a 1 from 15:00 onwards. By the evening, from 17:00 to 19:00, the UV Index dips to 0, indicating a safe period to bask in the fading sunlight. Overall, it’s a day where sun safety is essential, especially during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 1 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index demonstrates significant seasonal fluctuations, peaking in January and December with an extreme exposure category of 13 and 14, respectively, and a critical burn time of just 10 minutes. February and March also experience high levels of UV exposure, maintaining an index of 12 and 11, respectively. As spring arrives in April with a UV Index of 7 (high) and burn time of 25 minutes, the risk begins to decrease but remains notable. The summer months of June and July show a moderate UV level of 3, extending burn time to 30 minutes, while August sees a slight increase to 4. However, the risk surges again in September and October, where the UV Index reaches 7 (high) and 9 (very high), with burn times of 25 and 15 minutes, respectively. November also returns to extreme levels with an index of 11. Given these patterns, both visitors and residents should be particularly cautious from November to March and during early spring and fall, taking essential sun protection measures such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Port MacDonnell | 13 | 12 | 11 | 7 | 4 | 3 | 3 | 4 | 7 | 9 | 11 | 14 |
| Melbourne UVI | 14 | 12 | 11 | 7 | 4 | 3 | 3 | 5 | 7 | 9 | 12 | 14 |
| Adelaide UVI | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 7 | 10 | 12 | 15 |
| Sydney UVI | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
| Perth UVI | 14 | 14 | 11 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |